Texas Instruments TI-89 Titanium User Manual page 237

Functions that Use Delayed Simplification
Functions that use delayed simplification have a required var argument that performs the
function with respect to a variable. These functions have at least two arguments with the
general form:
function(expression, var
Not all functions that use a var argument use delayed simplification.
Note:
For example:
solve(x^2
d(x^2
(x^2
‰
limit(x
For a function that uses delayed simplification:
1. The variable is simplified to the lowest level at which it remains a variable (even if
var
it could be further simplified to a non-variable value).
2. The function is performed using the variable.
3. If can be further simplified, that value is then substituted into the result.
var
You may or may not want to define a numeric value for
Note:
situation.
Symbolic Manipulation
[, ... ]
)
N x N 2=0,x)
N x N 2,x)
x 2,x)
N N
2
x 2,x,5)
N N
, depending on the
var
234